[INFO] fetching crate cgumi 0.0.2...
[INFO] checking cgumi-0.0.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate cgumi 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate cgumi 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cgumi 0.0.2
[INFO] tweaked toml for crates.io crate cgumi 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cgumi 0.0.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cgumi 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.7
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded enumflags2 v0.7.7
[INFO] [stderr]   Downloaded zbus_names v2.5.1
[INFO] [stderr]   Downloaded xdg-home v1.0.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.56
[INFO] [stderr]   Downloaded concurrent-queue v2.2.0
[INFO] [stderr]   Downloaded zbus_macros v3.13.1
[INFO] [stderr]   Downloaded zvariant v3.14.0
[INFO] [stderr]   Downloaded winnow v0.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded toml_edit v0.19.8
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded blocking v1.3.1
[INFO] [stderr]   Downloaded parking v2.1.0
[INFO] [stderr]   Downloaded zbus v3.13.1
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded async-task v4.4.0
[INFO] [stderr]   Downloaded serde_repr v0.1.12
[INFO] [stderr]   Downloaded regex v1.8.2
[INFO] [stderr]   Downloaded uds_windows v1.0.2
[INFO] [stderr]   Downloaded test-log v0.2.11
[INFO] [stderr]   Downloaded async-executor v1.5.1
[INFO] [stderr]   Downloaded async-lock v2.7.0
[INFO] [stderr]   Downloaded async-process v1.7.0
[INFO] [stderr]   Downloaded zvariant_derive v3.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e144d0efc8eff75508df786b45da95e949e08fb0c8b029f8205a35747ed3b160
[INFO] running `Command { std: "docker" "start" "-a" "e144d0efc8eff75508df786b45da95e949e08fb0c8b029f8205a35747ed3b160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e144d0efc8eff75508df786b45da95e949e08fb0c8b029f8205a35747ed3b160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e144d0efc8eff75508df786b45da95e949e08fb0c8b029f8205a35747ed3b160", kill_on_drop: false }`
[INFO] [stdout] e144d0efc8eff75508df786b45da95e949e08fb0c8b029f8205a35747ed3b160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21ea10cf2d98af095a3a97e4db1ee46c74312088dd6653c1a440fc506b5d8de0
[INFO] running `Command { std: "docker" "start" "-a" "21ea10cf2d98af095a3a97e4db1ee46c74312088dd6653c1a440fc506b5d8de0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling toml_datetime v0.6.2
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "21ea10cf2d98af095a3a97e4db1ee46c74312088dd6653c1a440fc506b5d8de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ea10cf2d98af095a3a97e4db1ee46c74312088dd6653c1a440fc506b5d8de0", kill_on_drop: false }`
[INFO] [stdout] 21ea10cf2d98af095a3a97e4db1ee46c74312088dd6653c1a440fc506b5d8de0